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The research of vehicular networks has been studied for many years. In actual life, there are a few implementations of V2X communication system, majority of them are extremely expensive. Most importantly, detailed insight implementation procedure hasn't been provided for researches. In this paper, an efficient V2X communication system based on the IEEE 802.11p/1609.X protocol stack, also known as...
Internet of vehicles is becoming more and more popular which enables the communication of intra-vehicle, vehicle-to-vehicle (V2V), and vehicle-to-infrastructure (V2I) to help people enjoy safe and comfortable driving. In this paper, we use the communication of intra-vehicle and V2V to enable the safety of the vehicle. Namely, we extracted the vehicle information by connecting the OBD system using...
Compared with the CSMA based MAC protocols, the slotted reservation solutions could be more adaptable for VANETs. However, the high mobility and mobile hidden terminal (MHT) issues in vehicular environments cause a challenge of efficient and scalable slotted scheduling for TDMA MAC protocols. This paper proposes a novel near collision free reservation (CFR) MAC which is based on a recent VeMAC protocol...
Safety applications exploiting Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) based on Vehicular Ad hoc Networks (VANETs) have made great impact on research and development in ITS. The successful delivery of the periodical safety-related beacons is the key to security of the vehicular group. To better achieve this goal, the MAC protocol has to be highly reliable and has to assure certain...
Cooperative active safety applications in WAVE employ periodic beacon broadcasting for status advertisement. High beacon rate enables each vehicle sense the traffic situation from its vicinity promptly. This timely information may assist the driver for safer driving experience. However, high beacon rate will congest the wireless medium due to the contention-based IEEE 802.11p MAC. In this paper, an...
Vehicles in Intelligent Transportation System employ IEEE 802.11p/1609 protocols to communicate with other vehicles or roadside infrastructure within a specific area. Messages related with traffic safety can be delivered timely for collision avoidance and etc. Meanwhile, non-safety related infotainment messages can also be transmitted besides safety-critical information. Many of the safety critical...
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